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  Sigma Bio-Chemicals FT-IR Library                    
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The EPA Vapor-Phase Library contains 3,300 spectra of compounds that were collected at above-ambient temperatures in a heated gas cell. The information in this library includes the IUPAC (International Union of Pure and Applied Chemistry) substance name, commonly-used alternate names and the WLN (Wiswesser Line-Formula Chemical Notation).

The spectra were originally acquired at 4 cm-1 spectral resolution.

Thermo Scientific would like to express its gratitude to Leo Azarraga and his associates at the Environmental Protection Agency for making these spectra available.

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The PDF file lists the spectra in the library.
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